Ventilation housing to be mounted on a ceiling or wall



FIG. 1 is a front, top and right side perspective view of a ventilationhousing to be mounted on a ceiling or wall, showing my new design;

FIG. 2 is an enlarged top plan view thereof;

FIG. 3 is an enlarged right side elevation view thereof, the left sidebeing a mirror image of that shown;

FIG. 4 is an enlarged front elevation view thereof;

FIG. 5 is an enlarged rear elevation view thereof;

FIG. 6 is a front, top and right side perspective view of a ventilationhousing to be mounted on a ceiling or wall, showing a second embodimentof my new design;

FIG. 7 is an enlarged top plan view of FIG. 6;

FIG. 8 is an enlarged right side elevation view of FIG. 6, the left sidebeing a mirror image of that shown;

FIG. 9 is an enlarged front elevation view of FIG. 6; and,

FIG. 10 is an enlarged rear elevation view of FIG. 6.

The ornamental design for a ventilation housing to be mounted on aceiling or wall, as shown and described.